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Within this century several events with estimated magnitudes between 5.5 and 6.0 have caused damage. The long-term history of the Armenian region indicates damaging earthquakes in 863 A.D., in 1045, in 1283, in 1320, and in 1679 are greater than magnitude 5. ![]() The map above depicts stations used most often for analysis. The historical seismicity of Armenia has been generally confined to moderate events. This is expressed in modern slow creep movements of the earth’s surface and fast seismogenic movements along faults and in their intersection nodes. Most stations are continuous-recording stations, meaning they record all the time (whether there is ground motion or not), whereas some stations are accelerometers, recording only when triggered by movement. The territory of the Republic of Armenia belongs to the tectonically active and earthquake prone zone of the Caucasus. A few additional temporary stations do not transmit data in real-time, but must have data collected periodically. This data is transmitted in realtime from all permanent stations and the majority of temporary stations, some of which are cooperated by the OGS, private research undertakings, the Incorporated Research Institution for Seismology (IRIS) and the United States Geological Survey (USGS). ![]() Data and discoveries from this research are available to the public on this website.ĭata collection and archiving occurs in the main OGS offices at the University of Oklahoma in Norman, Oklahoma. The Oklahoma Geological Survey's Seismic Monitoring Program was established to document and compile information on Oklahoma earthquakes, examine these occurrences, and through extensive research, gain a better understanding of earthquake processes within the state of Oklahoma.
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